(19)

(11)

EP 1 308 000 A2

(12)

(88) Date of publication A3: 17.10.2002 (43) Date of publication: 07.05.2003 Bulletin 2003/19 (21) Application number: 01944626.9 (22) Date of filing: 21.06.2001

(51) International Patent Classification (IPC)7: H04L 12/28, H04L 12/56 (86) International application number: PCT/US0119/907 (87) International publication number: WO 0200/1735 (03.01.2002 Gazette 2002/01)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.06.2000 US 603310 (71) Applicant: Pulse-Link, Incorporated San Diego, CA 92121 (US)	(72) Inventors: SPARRELL, Carlton Palo Alto, CA 94306 (US) AIELLO, Roberto Palo Alto, CA 94306 (US) ROGERSON, Gerald Morgan Hill, CA 95037 (US) HO, Minnie Palo Alto, CA 94303 (US) (74) Representative: Manitz, Finsterwald & Partner GbR  Martin-Greif-Strasse 1 80336 München 80336 München (DE)